Are Veterans Free to Speak on Veterans Day?

OhioDem1 Sent the following:

"Take a look at the linked video of some anti-Iraq veteran protesters who were arrested at the Boston Veterans Day parade. They actually arrested a 76 year old and 92 year old WW II veteran. Veterans Arrested During Protest

These guys have so much class and dignity. These guys make me proud to be an American Veteran."

Still in Iraq